diff options
| -rw-r--r-- | ChangeLog | 5 | ||||
| -rw-r--r-- | lib/racc/parser.rb | 36 |
2 files changed, 27 insertions, 14 deletions
@@ -1,3 +1,8 @@ +Tue Feb 5 10:00:00 2013 Zachary Scott <zachary@zacharyscott.net> + + * lib/racc/parser.rb: Update #do_parse and #yyparse from upstream + See [Github tenderlove/racc@7d954b5] + Tue Feb 5 09:55:00 2013 Zachary Scott <zachary@zacharyscott.net> * lib/racc: Merge Racc documentation downstream, add grammar ref file diff --git a/lib/racc/parser.rb b/lib/racc/parser.rb index 20b358a7ce..68dadc1ec8 100644 --- a/lib/racc/parser.rb +++ b/lib/racc/parser.rb @@ -239,15 +239,24 @@ module Racc @racc_error_status = 0 end - ### - ### do_parse - ### - - class_eval %{ + # The entry point of the parser. This method is used with #next_token. + # If Racc wants to get token (and its value), calls next_token. + # + # Example: + # def parse + # @q = [[1,1], + # [2,2], + # [3,3], + # [false, '$']] + # do_parse + # end + # + # def next_token + # @q.shift + # end def do_parse - #{Racc_Main_Parsing_Routine}(_racc_setup(), false) + __send__(Racc_Main_Parsing_Routine, _racc_setup(), false) end - } # The method to fetch next token. # If you use #do_parse method, you must implement #next_token. @@ -301,15 +310,14 @@ module Racc } end - ### - ### yyparse - ### - - class_eval %{ + # Another entry point for the parser. + # If you use this method, you must implement RECEIVER#METHOD_ID method. + # + # RECEIVER#METHOD_ID is a method to get next token. + # It must 'yield' the token, which format is [TOKEN-SYMBOL, VALUE]. def yyparse(recv, mid) - #{Racc_YY_Parse_Method}(recv, mid, _racc_setup(), true) + __send__(Racc_YY_Parse_Method, recv, mid, _racc_setup(), true) end - } def _racc_yyparse_rb(recv, mid, arg, c_debug) action_table, action_check, action_default, action_pointer, |